由应力松弛与蠕变的关系，推导得到松弛曲线表达式。
The relaxation curve fitted with the expression , which is deduced based on the relation between the relaxation and the creep.
气管软骨应力松弛曲线是以对数关系变化的，气管软骨为非线性粘弹性材料。
The tracheal cartilage stress relaxation curve is changed by the logarithm relations, the tracheal cartilage is the non-linear viscoelastic material.
结果表明：时效温度范围内7050铝合金的应力松弛曲线表现为典型的对数衰减曲线。
The results show that in traditional aging temperature, the stress relaxation curve of 7050 aluminum alloys exhibits a classical logarithmic decrement curve.
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